| article html file updated | 6 September 2025 23:18 CEST | Update | https://www.mdpi.com/2218-1997/7/8/307 |
| article html file updated | 28 July 2022 07:00 CEST | Update | N/A |
| article html file updated | 25 August 2021 09:59 CEST | Update | N/A |
| article html file updated | 24 August 2021 11:20 CEST | Original file | N/A |
| article pdf uploaded. | 24 August 2021 11:19 CEST | Updated version of record | https://www.mdpi.com/2218-1997/7/8/307/pdf |
| article xml uploaded. | 24 August 2021 11:19 CEST | Update | https://www.mdpi.com/2218-1997/7/8/307/xml |
| article xml file uploaded | 24 August 2021 11:19 CEST | Original file | N/A |
| article pdf uploaded. | 20 August 2021 14:14 CEST | Version of Record | https://www.mdpi.com/2218-1997/7/8/307/pdf-vor |
